1.
[Radiation Safety]
The diagnostic and therapeutic uses of radiopharmaceuticals are dependent on the accumulation of the material in the “organ of interest.” According to the Nuclear Regulatory Commission (NRC) definition, the part of the body that is most susceptible to radiation damage under the specific conditions under consideration is called:
2.
[Quantities and Units]
The initial activity of an isotope is 180 mCi and its half-life is 6 hours. Which of the following number of the activity will be present after 2 days?
3.
[Physics]
The minimum amount of energy needed to overcome the forces holding the atom together is called:
4.
[Quantities and Units]
A bone scan is scheduled to be performed with 25 mCi of Tc-99m methylene diphosphonate (MDP) at 12:30p.m. How much Tc-99m MDP should be placed in the syringe at 8:00a.m. on the same day?
5.
[Quantities and Units]
Dose equivalency is being measured in units called:
6.
[Physics]
When only image quality is considered, the best possible distance between the collimator and the patient’s body for a gamma-camera equipped with HRES collimator is:
7.
[Radiation Safety]
Which of the following is the critical organ for Tc99m MDP Medronate?
8.
[Radiation Safety]
In which of the following periods during pregnancy does radiation exposure confer the greatest risk to the fetus?
9.
[Physics]
Technetium-99m and Technetium-99 are:
10.
[Quality Control]
Calibration, sensitivity/constancy, efficiency, chi-square, and energy resolution are quality control procedures performed to ensure proper operation of the:
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